apparatus


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apparatus

 [ap″ah-rat´tus] (pl. appara´tus, apparatuses)
an arrangement of a number of parts acting together to perform a special function.
Golgi apparatus see golgi apparatus.
juxtaglomerular apparatus a collective term for the juxtaglomerular cells in a nephron.
lacrimal apparatus see lacrimal apparatus.
Wangensteen's apparatus a nasal suction apparatus connected with a duodenal tube for aspirating gas and fluid from stomach and intestine.

ap·pa·ra·tus

(ap'ă-rā'tŭs), The plural of this word is apparatus, not apparati.
1. A collection of instruments adapted for a special purpose.
See also: system.
2. An instrument made up of several parts.
See also: system.
3. A group or system of glands, ducts, blood vessels, muscles, or other anatomic structures involved in the performance of some function.
See also: system.
[L. equipment. fr. ap-paro, pp. -atus, to prepare]

apparatus

(ăp′ə-răt′əs, -rā′təs)
n. pl. apparatus or apparat·uses
1.
a. An appliance or device for a particular purpose: an x-ray apparatus.
b. An integrated group of materials or devices used for a particular purpose: dental apparatus.
2. Physiology A group or system of organs that collectively perform a specific function or process: the respiratory apparatus; the digestive apparatus.

apparatus

Anatomy
An integrated group of structurally and functionally linked parts (including muscles, nerves, blood and lymphatic vessels, glands, stroma and so on) which act in concert to perform a particular function, as in digestion, which is performed by the alimentary apparatus (now preferentially known as the GI tract).

The use and translation of the anatomic term apparatus has proven problematic, as each information consumer views the scope (structure and function) of an apparatus in a distinct manner, and there are number of translations thereof (i.e., organs, system and tract).
 
The traditional and formally sanctioned uses of the term apparatus notwithstanding, ultimately the term system (as applied to the digestive, respiratory and urogenital apparatuses) is increasingly preferred.

Technology
A structurally and functionally integrated device used to perform a particular task.

ap·pa·ra·tus

(ap'ă-rat'ŭs)
1. A collection of instruments adapted for a special purpose.
2. An instrument made up of several parts.
3. A group or system of glands, ducts, blood vessels, muscles, or other anatomic structures involved in the performance of some function.
See also: system
[L. equipment. fr. ap-paro, pp. -atus, to prepare]

ap·pa·ra·tus

(ap'ă-rat'ŭs) The plural of this word is apparatus, not apparati.
1. [TA] A collection of instruments adapted for a special purpose.
2. An instrument made up of several parts.
3. [TA] A group or system of glands, ducts, blood vessels, muscles, or other anatomic structures involved in the performance of some function.
See also: system
[L. equipment. fr. ap-paro, pp. -atus, to prepare]
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